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-rw-r--r--src/vendorcode/amd/cimx/sb800/MEMLIB.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/MEMLIB.c b/src/vendorcode/amd/cimx/sb800/MEMLIB.c
new file mode 100644
index 0000000000..f24d9e738a
--- /dev/null
+++ b/src/vendorcode/amd/cimx/sb800/MEMLIB.c
@@ -0,0 +1,96 @@
+/*
+ *****************************************************************************
+ *
+ * Copyright (c) 2011, Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Advanced Micro Devices, Inc. nor the names of
+ * its contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * ***************************************************************************
+ *
+ */
+
+#include "SBPLATFORM.h"
+#include "cbtypes.h"
+
+VOID
+ReadMEM (
+ IN UINT32 Address,
+ IN UINT8 OpFlag,
+ IN VOID* Value
+ )
+{
+ OpFlag = OpFlag & 0x7f;
+ switch ( OpFlag ) {
+ case AccWidthUint8:
+ *((UINT8*)Value) = *((UINT8*) ((UINTN)Address));
+ break;
+ case AccWidthUint16:
+ //*((UINT16*)Value) = *((UINT16*) ((UINTN)Address)); //gcc break strict-aliasing rules
+ *((UINT8*)Value) = *((UINT8*) ((UINTN)Address));
+ *((UINT8*)Value + 1) = *((UINT8*)((UINTN)Address) + 1);
+ break;
+ case AccWidthUint32:
+ *((UINT32*)Value) = *((UINT32*) ((UINTN)Address));
+ break;
+ }
+}
+
+VOID
+WriteMEM (
+ IN UINT32 Address,
+ IN UINT8 OpFlag,
+ IN VOID* Value
+ )
+{
+ OpFlag = OpFlag & 0x7f;
+ switch ( OpFlag ) {
+ case AccWidthUint8 :
+ *((UINT8*) ((UINTN)Address)) = *((UINT8*)Value);
+ break;
+ case AccWidthUint16:
+ //*((UINT16*) ((UINTN)Address)) = *((UINT16*)Value); //gcc break strict-aliasing rules
+ *((UINT8*)((UINTN)Address)) = *((UINT8*)Value);
+ *((UINT8*)((UINTN)Address) + 1) = *((UINT8*)Value + 1);
+ break;
+ case AccWidthUint32:
+ *((UINT32*) ((UINTN)Address)) = *((UINT32*)Value);
+ break;
+ }
+}
+
+VOID
+RWMEM (
+ IN UINT32 Address,
+ IN UINT8 OpFlag,
+ IN UINT32 Mask,
+ IN UINT32 Data
+ )
+{
+ UINT32 Result;
+ ReadMEM (Address, OpFlag, &Result);
+ Result = (Result & Mask) | Data;
+ WriteMEM (Address, OpFlag, &Result);
+}
+
+